| 单词 | sulphonic acid |
| 释义 | sulphonic acid (once / 125738 pages) n WORD FAMILY sulphonic acid: sulphonic acids USAGE EXAMPLESAlizarin S is a sulphonic acid derivative of alizarin, and since it is much more soluble, it readily yields level colours. Various, Encyclopaedia Britannica, 11th Edit...(2010) Various sulphonic acids of anthraquinone are known, as well as oxy-derivatives, for the preparation and properties of which see Alizarin. Various, Encyclopaedia Britannica, 11th Edit...(2010) The pure substances are best obtained by fusion of the corresponding toluene sulphonic acids with potash. Various, Encyclopaedia Britannica, 11th Edit...(2010) n an acid derived from sulphuric acid Syn|Hyper sulfonic acid acid any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt |
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